/ Dictionary / Index T trivialize: Meaning and Definition of Find definitions for: triv•i•al•ize Pronunciation: (triv'ē-u-līz"), [key] — -ized, -iz•ing. to make trivial; cause to appear unimportant, trifling, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: trivialize (Thesaurus) triviality trivium Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language